light someone's ass up

Proposed by a contributor, not yet supported by evidence.

Meaning · English

to severely criticize or scold someone

Nghĩa · Tiếng Việt

critic hóa hoặc la mắng ai đó nặng nề

Machine-translated — suggest a fix

Literally: to set someone's buttocks on fire
Where it’s used: Used Widespread English

Examples

The boss lit his employee's ass up for being late again

AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)

Sources & notes

Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-31; pending editor spot-check.

Common questions

What does “light someone's ass up” mean?

to severely criticize or scold someone Literally: to set someone's buttocks on fire

Is “light someone's ass up” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.